- Make backend address configurable via env variable
- `BACKEND_HOST=1.2.3.4:4040 npm start` points the frontend to the app on that server. Just for development
- Render control icons
- removed close x for details panel
- added control icons in its space
- closing of panel still works by clicking on same node, or background
- Dont allow control while pending
- Render and auto-dismiss control error
- Make tests pass
- Also added linter configuration, and make linter fail on error
- fixing ES6 errors and added ES6 transformer
- gulp target to try local build
- linted gulpfile
- cant hook into gulp lint yet, because gulp does currently not support
ES6 which some rules demand, since gulp cant transpile itself, we have a
chicken and egg problem.
- ES6 transpiler for test runner
- removed old linter config
- adapted editorconfig to reflect linter config
